/**
 * Syboos.com 2005-2008 All rights reserved.
 * JSF Form process class, extends from Form(prototype.js)
 * 
 */
var JSFForm = {

	/**
	 * get first matched element by id [form]
	 * @param id element id. [NECESSARY]
	 * @param form form id/object. [OPTIONAL]
	 */
	getFirstMatchedElement: function (id, form) {
		if (form) {
			return JSFForm._getFirstElementById(form, id);
		}
		for(var i=0; i<document.forms.length; i++) {
			var elements = JSFForm._getFirstElementById(document.forms[i], id);
			if (elements) {
				return elements;
			}
		}
	}, 
	
	/**
	 * get elements as Array by id [form]
	 * if only one element matched, then return the Element
	 * @param id element id. [NECESSARY]
	 * @param form form id/object. [OPTIONAL]
	 */
	getElementsById: function(id, form) {
		if (form) {
			return JSFForm._getElementsById(form, id);
		}
		for(var i=0; i<document.forms.length; i++) {
			var elements = JSFForm._getElementsById(document.forms[i], id);
			if (elements) {
				return elements;
			}
		}
	},
	
	//private
	_getElementsById: function(form, id) {
	  var element = $(id);
	  if (element) {
	    try {
	    	if (element.length != 0) {
	    		return element;
	    	}
	    } catch (e) {
	    	return element;
	    }
	  }
	  
	  var rets = new Array();
	  var elements = Form.getElements(form);
      for (var i = 0; i < elements.length; i++) {
        element = elements[i];
        var tid = element.id;
        if (tid == id || tid.match('.*\:' + id)) { //TODO
          rets.push(element);
        }
      }
      
      if (rets.length > 0) {
      	if (rets.length == 1) {
      		return rets[0];
      	}
	    return rets;
      }
	},
	
	//private
	_getFirstElementById: function(form, id) {
	  var element = $(id);
	  if (element) {
	    try {
	    	if (element.length != 0) {
	    		return element[0];
	    	}
	    } catch (e) {
	    	return element;
	    }
	  }
	  
	  var rets = new Array();
	  var elements = Form.getElements(form);
      for (var i = 0; i < elements.length; i++) {
        element = elements[i];
        var tid = element.id;
        if (tid == id || tid.match('.*\:' + id)) { //TODO
          return element;
        }
      }
      
	}
}

Object.extend(JSFForm, Form);

var JSF$ = JSFForm.getElementsById;
var $JSF = JSFForm.getElementsById;

var JSF$1 = JSFForm.getFirstMatchedElement;
var JSF1$ = JSFForm.getFirstMatchedElement;
var $JSF1 = JSFForm.getFirstMatchedElement;

/**
 * DOM Utilities
 * 
 */
var DOMUtils = {
	/**
	 * create element
	 * @param tagName tag name.
	 * @param options [Array]. 
	 * @param callback callback function [OPTIONAL]
	 */
    createElement: function(tagName, options, callback){
        var element = document.createElement(tagName);
               
        options.className && (element.className = options.className);
        options.innerHTML && (element.innerHTML = options.innerHTML);
        
        if (callback && typeof callback == 'function') {
        	callback.apply(this, [element]);	//callback.apply(this, arguments);
        }

        options.parent && options.parent.appendChild(element);

        return element;
    },
    
	/**
	 * create option tag
	 * @param selectTag select tag's id/name.
	 * @param value option vlaue. [OPTIONAL]
	 * @param text option text. [OPTIONAL]
	 */
    createOption: function(selectTag, value, text) {
    	var element = DOMUtils.createElement("option", 
        	{parent: $(selectTag)}
        	);

	if (value) element.value = value;
	if (text) element.text = text;

        return element;
    },
    
    createHidden: function(formName){
        var element = DOMUtils.createElement("input", 
        	{parent: $(formName)},
        	function(element) {
        		element.style.display = "none";
		        element.style.visibility = "hidden";
        	}
        	);

        return element;
    },
    
    /**
	 * move selected option from original select to destination select
	 * @param destSelectTag destination select tag(or id).
	 * @param orgSelectTag original select tag(or id).
	 */
    moveSelectedOption: function(destSelectTag, orgSelectTag) {
    	for (var i = 0; i < $(orgSelectTag).length; i++) {
	      var opt = $(orgSelectTag).options[i];
	      if (opt.selected) {
	        var optValue = opt.value;
	        var optText = opt.text;
	        if (!optValue && !('value' in opt)) {
	          optValue = opt.text;
	        }
	        
	        var newOpt = DOMUtils.createOption($(destSelectTag), optValue, optText);
	       newOpt.selected = true;	
	      }
	    }
	    
	    for (var i = $(orgSelectTag).length-1; i >= 0 ; i--) {
	      var opt = $(orgSelectTag).options[i];
	      if (opt.selected) {
	    	$(orgSelectTag).removeChild(opt);
	      }
	    }
    },
    
    /**
	 * move All option from original select to destination select
	 * @param destSelectTag destination select tag(or id).
	 * @param orgSelectTag original select tag(or id).
	 */
    moveAllOption: function(destSelectTag, orgSelectTag) {
    	for (var i = 0; i < $(orgSelectTag).length; i++) {
	      var opt = $(orgSelectTag).options[i];
	      opt.selected = true;
	    }
	    
	    DOMUtils.moveSelectedOption(destSelectTag, orgSelectTag);
    },
    
    selectAllCheckbox: function (form, checkboxId, check) {
	    inputs = Form.getInputs(form, 'checkbox');
	    $A(inputs).each(function(ele){
	        var id = $(ele).id;
	        if (id == checkboxId || id.match('.*\:' + checkboxId)) {    //match :checkboxId
	           $(ele).checked = check;
	        }
	     });
	},

	getCheckedCheckboxNum: function(form, checkboxId) {
	    var num = 0;
	    inputs = Form.getInputs(form, 'checkbox');
	    $A(inputs).each(function(ele){
	        var id = $(ele).id;
	        if (id.match('.*\:' + checkboxId)) {    //match :checkboxId
	        	if ($(ele).checked) {
	            	num ++;
	            }
	        }
	    });

	    return num;
	},
	
	//ADDED 2006-11-07
    submitForm: function(form, button, disabled) {
    	var orgBtnId = $(button).id;
    	if (disabled) $(button).disabled = true;
		$(button).name = "_dummyBtn";
		$(button).id = "_dummyBtn";

		var hdnBtn = DOMUtils.createHidden(form);
		hdnBtn.name = orgBtnId;
		hdnBtn.id = orgBtnId;
		hdnBtn.value = "_dummyBtnValue";
		
		$(form).submit();
    },
    
    setSelectTagValue: function (objSelectTag,objItemValue) {    
		var objSelect = $(objSelectTag);
	    
	    for (var i = 0; i < objSelect.length; i++) {
			if(objSelect.options[i].value == objItemValue) {
	            objSelect.options[i].selected = true;
	            break;
	        }	     
    	}
	},
	
	getSelectTagValue: function (objSelectTag) {    
		var objSelect = $(objSelectTag);
	    for (var i = 0; i < objSelect.length; i++) {
			if(objSelect.options[i].selected) {
	            return objSelect.options[i].value;
	        }	     
    	}
	}
}

/**
 * The same as DOMUtils
 * @see DOMUtils
 */
var DomUtils = {
}
Object.extend(DomUtils, DOMUtils);


/* Reference Article:
Dustin Diaz:
http://www.dustindiaz.com/top-ten-javascript/
*/

/* addEvent: simplified event attachment */
function addEvent( obj, type, fn ) {
	if (obj.addEventListener) {
		obj.addEventListener( type, fn, false );
		EventCache.add(obj, type, fn);
	}
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
		EventCache.add(obj, type, fn);
	}
	else {
		obj["on"+type] = obj["e"+type+fn];
	}
}
	
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
		add : function(node, sEventName, fHandler){
			listEvents.push(arguments);
		},
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				item[0][item[1]] = null;
			};
		}
	};
}();
addEvent(window,'unload',EventCache.flush);

/* window 'load' attachment */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/* grab Elements from the DOM by className */
function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

/* toggle an element's display */
function toggle(obj) {
	var el = document.getElementById(obj);
	if ( el.style.display != 'none' ) {
		el.style.display = 'none';
	}
	else {
		el.style.display = '';
	}
}

/* insert an element after a particular node */
function insertAfter(parent, node, referenceNode) {
	parent.insertBefore(node, referenceNode.nextSibling);
}

/* Array prototype, matches value in array: returns bool */
Array.prototype.inArray = function (value) {
	var i;
	for (i=0; i < this.length; i++) {
		if (this[i] === value) {
			return true;
		}
	}
	return false;
};

/* get, set, and delete cookies */
function getCookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
		return null;
	}
	if ( start == -1 ) return null;
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
	return unescape( document.cookie.substring( len, end ) );
}
	
function setCookie( name, value, expires, path, domain, secure ) {
	var today = new Date();
	today.setTime( today.getTime() );
	if ( expires ) {
		expires = expires * 1000 * 60 * 60 * 24;
	}
	var expires_date = new Date( today.getTime() + (expires) );
	document.cookie = name+"="+escape( value ) +
		( ( expires ) ? ";expires="+expires_date.toGMTString() : "" ) + //expires.toGMTString()
		( ( path ) ? ";path=" + path : "" ) +
		( ( domain ) ? ";domain=" + domain : "" ) +
		( ( secure ) ? ";secure" : "" );
}
	
function deleteCookie( name, path, domain ) {
	if ( getCookie( name ) ) document.cookie = name + "=" +
			( ( path ) ? ";path=" + path : "") +
			( ( domain ) ? ";domain=" + domain : "" ) +
			";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

/* quick getElement reference */
function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}
// end
//////////////////////////////////////////////////